TH72016

433MHz

FSK/ASK Transmitter

39010 72016

Page 2 of 15

Data Sheet

Rev. 009

Jan/12

Document Content

1

Theory of Operation ...................................................................................................3

1.1

General .............................................................................................................................. 3

1.2

Block Diagram.................................................................................................................... 3

2

Functional Description ..............................................................................................3

2.1

Crystal Oscillator ................................................................................................................ 3

2.2

FSK Modulation ................................................................................................................. 4

2.3

Crystal Pulling .................................................................................................................... 4

2.4

ASK Modulation ................................................................................................................. 5

2.5

Output Power Selection...................................................................................................... 5

2.6

Lock Detection ................................................................................................................... 5

2.7

Low Voltage Detection ....................................................................................................... 5

2.8

Mode Control Logic ............................................................................................................ 6

2.9

Clock Output ...................................................................................................................... 6

2.10

Timing Diagrams............................................................................................................. 6

3

Pin Definition and Description ..................................................................................7

4

Electrical Characteristics ..........................................................................................8

4.1

Absolute Maximum Ratings................................................................................................ 8

4.2

Normal Operating Conditions ............................................................................................. 8

4.3

Crystal Parameters ............................................................................................................ 8

4.4

DC Characteristics ............................................................................................................. 9

4.5

AC Characteristics ........................................................................................................... 10

4.6

Output Power Steps – FSK Mode .................................................................................... 11

4.7

Output Power Steps – ASK Mode .................................................................................... 11

5

Test Circuit ...............................................................................................................12

5.1

Test circuit component list to Fig. 6 .................................................................................. 12

6

Package Description ................................................................................................13

6.1

Soldering Information ....................................................................................................... 13

6.2

Recommended PCB Footprints........................................................................................ 13

7

Standard information regarding manufacturability of Melexis products with

different soldering processes .................................................................................14

8

ESD Precautions ......................................................................................................14

9

Disclaimer .................................................................................................................15